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A negative pressure steam breakthrough curve analysis device and using method thereof

A breakthrough curve and analysis device technology, which is applied in the field of negative pressure steam penetration curve analysis device, can solve the problems of uneven steam, unsatisfactory test, influence, etc., and achieve the goal of reducing poisoning, stabilizing and uniform steam flow, and avoiding influence Effect

Active Publication Date: 2022-07-15
INST OF PROCESS ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The current analysis device for steam breakthrough curve still has certain defects, such as uneven steam, influence by carrier gas, etc., which cannot meet the test requirements

Method used

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  • A negative pressure steam breakthrough curve analysis device and using method thereof
  • A negative pressure steam breakthrough curve analysis device and using method thereof
  • A negative pressure steam breakthrough curve analysis device and using method thereof

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Experimental program
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Embodiment 1

[0092] figure 1 As shown, this embodiment provides a negative pressure steam breakthrough curve analysis device, including a housing 1, and the housing 1 is provided with a purging unit, a breakthrough adsorption unit, a vacuum activation unit and an organic steam generating unit. The organic steam generation unit, the purging unit and the penetration adsorption unit are respectively connected to the first three-way valve 8 independently. By switching the first three-way valve 8, the organic steam generation unit and the penetration adsorption unit are connected, or the organic steam generation unit Connected with the purging unit; the penetration adsorption unit, the vacuum activation unit and the organic vapor generation unit are respectively connected to the second three-way valve 18 independently, and the communication between the vacuum activation unit and the penetration adsorption unit is realized by switching the second three-way valve 18, Or the vacuum activation unit...

Embodiment 2

[0106] This embodiment provides a negative pressure steam breakthrough curve analysis device, which is different from Embodiment 1 in that the first pressure measuring component 15 and the second pressure measuring component 9 in the breakthrough adsorption unit are both pressure sensors , the pressure sensor can be used in conjunction with the second mass flow controller 10 and the power pump 13, and the penetrating column 16 is 95mm in height and 5mm in diameter.

Embodiment 3

[0108] This embodiment provides a negative pressure steam breakthrough curve analysis device, which is different from Embodiment 1 in that two organic steam generating units are arranged in the casing 1 and are respectively connected to the steam buffer 6 .

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Abstract

The invention provides a negative pressure steam breakthrough curve analysis device and a method of using the same. The negative pressure steam breakthrough curve analysis device includes a housing, and the housing is provided with a purging unit, a penetration adsorption unit, a vacuum The activation unit and at least one organic steam generating unit, the organic steam generating unit, the purging unit and the penetration adsorption unit are respectively independently connected to the first three-way valve, and by switching the first three-way valve, the organic steam generating unit and The penetration adsorption unit is connected, or the organic steam generating unit and the purging unit are connected; the penetration adsorption unit, the vacuum activation unit and the organic steam generating unit are respectively connected to the second three-way valve independently, and the second three-way valve is switched by switching the second three-way valve. , to realize the communication between the vacuum activation unit and the penetration adsorption unit, or the communication between the vacuum activation unit and the organic steam generation unit; effectively solve the problem of uneven steam, and can avoid the influence of carrier gas.

Description

technical field [0001] The invention belongs to the field of physical adsorption, relates to the field of instruments and equipment for physical adsorption, and in particular relates to a negative pressure steam penetration curve analysis device and a method for using the same. Background technique [0002] The characterization of adsorption properties of adsorbents is the core of determining the separation performance of adsorbents. At present, adsorption performance characterization methods are mainly divided into: static single-component adsorption and multi-component breakthrough curve. Single-component static adsorption refers to the determination of the adsorption isotherm of the adsorbent to a single adsorbate. According to the single-component adsorption isotherm, the adsorption heat of the material to a single adsorbate can be calculated, and the adsorption isotherm of different adsorbates can be further calculated. IAST separation selectivity of the material. Thi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N15/08
CPCG01N15/08G01N2015/0866
Inventor 李英波王晓天罗海燕刘会洲
Owner INST OF PROCESS ENG CHINESE ACAD OF SCI
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